| 15901 | Kingfisher Resources Inc | Clinton, OK 73601 | Oil & Gas Operator | Jul 2025 |
| 15902 | Kingman Operating Company, Inc. | Austin, TX 78729 | Oil Operator | Jun 2013 |
| 15903 | Kingman Petroleum Inc | Dolores, CO 81323-9503 | Oil & Gas Operator | Jun 2025 |
| 15904 | Kings CRK Land Oil & Cattle, LLC | Breckenridge, TX 76424 | Oil Operator | Oct 2025 |
| 15905 | Kings Oil Company, Inc. | | Oil Operator | Jun 1989 |
| 15906 | Kings Peak Energy LLC | Denver, CO 80264 | Oil & Gas Operator | Feb 2019 |
| 15907 | Kings X Oil Company LLC | Gillette, WY 82717 | Oil Operator | Aug 2016 |
| 15908 | Kingsbury Petrol | | Oil Operator | Jul 1986 |
| 15909 | Kingsley, Craig | | Gas Operator | Dec 2024 |
| 15910 | Kingston Oil Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 15911 | Kingston Operating Company | | Oil & Gas Operator | Oct 2009 |
| 15912 | Kingwood Energy, LLC | | Oil Operator | Feb 2025 |
| 15913 | Kingwood Exploration LLC | Shreveport, LA 71105 | Oil & Gas Operator | Oct 2025 |
| 15914 | Kingwood Oil Co; Inc | Luling, TX 78648 | Oil & Gas Operator | Nov 2015 |
| 15915 | Kingwood Resources, Inc. | Kingwood, TX 77339 | Oil & Gas Operator | May 2022 |
| 15916 | Kinlaw Oil Corporation | Dallas, TX 75380 | Oil & Gas Operator | Oct 2025 |
| 15917 | Kinney Incorporated | Andrews, TX 79714 | Oil & Gas Operator | Oct 2025 |
| 15918 | Kinney Oil Company | Denver, CO 80202 | Oil Operator | Dec 2024 |
| 15919 | Kinsey Interests | | Oil & Gas Operator | May 1991 |
| 15920 | Kinsey Interests And Marlin | | Oil Operator | Mar 1983 |
| 15921 | Kinsey Interests Et Al | | Oil Operator | Apr 1988 |
| 15922 | Kinta Public Works | Kinta, OK 74552 | Oil & Gas Operator | Mar 2011 |
| 15923 | Kintex Petroleum Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 15924 | Kinzer, J. W. | | Oil & Gas Operator | Dec 2006 |
| 15925 | Kiowa Gas Company | Dallas, TX 75206 | Oil & Gas Operator | Jun 2025 |
| 15926 | Kiowa Producers, LLC | Parsons, KS 67357 | Oil & Gas Operator | Jan 2025 |
| 15927 | Kiowa-T.N.T., Inc. | | Oil Operator | Sep 1981 |
| 15928 | Kipling Energy Incorporated | Shelby, MT 59474 | Oil & Gas Operator | Jan 2011 |
| 15929 | Kirby & Son Dozing | Lewisburg, KY 42256 | Oil Operator | Dec 2023 |
| 15930 | Kirby Exploration Co | Houston, TX 77251 | Oil & Gas Operator | Jan 2014 |
| 15931 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 15932 | Kirby Oil Company | | Oil Operator | Dec 2024 |
| 15933 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Jun 2025 |
| 15934 | Kirk David | Midland, TX 79705 | Oil & Gas Operator | Jul 2025 |
| 15935 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 15936 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 15937 | Kirkman W L Inco | | Oil & Gas Operator | Dec 1994 |
| 15938 | Kirkpatrick | Longton, KS 67352 | Oil Operator | Jun 2000 |
| 15939 | Kirkpatrick Oil & Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Apr 1996 |
| 15940 | Kirkpatrick Oil & Gas L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Dec 2010 |
| 15941 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Oct 2025 |
| 15942 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | Jun 2025 |
| 15943 | Kirkpatrick Ronald B | | Oil & Gas Operator | Jul 2013 |
| 15944 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 15945 | Kirkpatrick, John Oil LLC | Victoria, TX 77905 | Oil & Gas Operator | Oct 2025 |
| 15946 | Kirkwood Engineering, LTD | | Oil Operator | Dec 1991 |
| 15947 | Kirkwood Oil And Gas Co. | | Oil Operator | Jan 1988 |
| 15948 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
| 15949 | Kirpatrick Supply Co | | Oil Operator | Jun 2025 |
| 15950 | Kirrie Oil Company LLC | Oklahoma City, OK 73113-0125 | Oil & Gas Operator | Jun 2025 |
| 15951 | Kirsch, Doris R. | Strykersville, NY 14145 | Gas Operator | Dec 2024 |
| 15952 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 15953 | Kis Oil & Gas Inc | Brookville, PA 15825-4210 | Oil & Gas Operator | Dec 2014 |
| 15954 | Kisatchie Resources, LTD. | | Gas Operator | Jul 1991 |
| 15955 | Kiska Oil & Gas Inc | Tulsa, OK 74103 | Oil Operator | Oct 2012 |
| 15956 | Kiska Oil Compan | | Oil & Gas Operator | Oct 1989 |
| 15957 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 15958 | Kismet Properties, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Oct 2025 |
| 15959 | Kiss Productions | | Oil & Gas Operator | Oct 2002 |
| 15960 | Kissack Resources. LLC | | Oil & Gas Operator | Aug 2025 |
| 15961 | Kissack Water & Oil Service Inc | Rozet, WY 82727 | Oil & Gas Operator | Aug 2025 |
| 15962 | Kissinger Petroleum Corp | | Oil & Gas Operator | Nov 1983 |
| 15963 | Kistler John & Ruth | Newcomerstown, OH 43832 | Oil & Gas Operator | Dec 1998 |
| 15964 | Kitchen, Robert (Deceased) | Osawatomie, KS 66064 | Oil Operator | Oct 2009 |
| 15965 | Kittle Oil | | Oil Operator | Apr 2025 |
| 15966 | Kiva Resources Inc. | Houston, TX 77265 | Oil & Gas Operator | Mar 2008 |
| 15967 | Kivett Kenneth W | Blackwell, OK 74631-0134 | Oil & Gas Operator | Jun 2001 |
| 15968 | Kiwanda Energy, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 2008 |
| 15969 | Kiwanda Resc Inc | | Oil & Gas Operator | Aug 1993 |
| 15970 | Kizzar Well Servicing, Inc. | Chase, KS 67524 | Oil Operator | Jun 2025 |
| 15971 | KJ Energy, LLC | MT Enterprise, TX 75681 | Oil & Gas Operator | Jul 2024 |
| 15972 | KJ Energy, LLC Of Delaware | | Oil & Gas Operator | Nov 2016 |
| 15973 | KJB Oil Company LLC | Dewey, OK 74029-3053 | Oil Operator | Jun 2025 |
| 15974 | Kjellin, Charles Willard (Deceased) | Marion, KS 66861 | Oil & Gas Operator | Oct 2013 |
| 15975 | KJR Services LLC | Edmond, OK 73083 | Oil & Gas Operator | Jun 2025 |
| 15976 | Klabzuba Brothers LLC | Prague, OK 74864-0567 | Oil & Gas Operator | Jul 2007 |
| 15977 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 15978 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 15979 | Klabzuba Royalty Company | Prague, OK 74864-0567 | Oil & Gas Operator | Dec 2019 |
| 15980 | Klaeger Operating Company II,LLC | Marble Falls, TX 78654 | Oil Operator | Oct 2025 |
| 15981 | Klaeger Operating Company, LLC | Marble Falls, TX 78654 | Oil Operator | Oct 2025 |
| 15982 | Klaeger, J. H. | Hondo, TX 78861 | Oil & Gas Operator | Dec 2009 |
| 15983 | Klassen Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Oct 2025 |
| 15984 | Klause & Klaus Oil Co. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2003 |
| 15985 | KLB Operating, Inc. | Plainville, KS 67663 | Oil Operator | Aug 2001 |
| 15986 | KLBW Partners, L.L.C. | Ratliff City, OK 73481 | Oil & Gas Operator | Jun 2025 |
| 15987 | KLC Petroleum Company, LLC | Henderson, KY 42420 | Oil Operator | Dec 2021 |
| 15988 | KLD Energy | | Oil & Gas Operator | Dec 2015 |
| 15989 | Kleen Oilfield Services Co | Velma, OK 73491-0178 | Oil & Gas Operator | Jul 2025 |
| 15990 | Kleese Development Associates | Youngstown, OH 44514 | Oil & Gas Operator | Dec 2024 |
| 15991 | Klein Oil & Logging | Alma, NY 14708 | Oil & Gas Operator | Dec 2024 |
| 15992 | Klein, J. L. | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2013 |
| 15993 | Klenda, John | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 15994 | KLH Oil & Gas, Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Oct 2025 |
| 15995 | Klima Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15996 | Klima Well Servi | | Oil Operator | Dec 1996 |
| 15997 | Klima Well Service, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jun 2025 |
| 15998 | Klimko, Nathan J. | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 15999 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 16000 | Klingberg, Roger | Cross Plains, TX 76443 | Oil & Gas Operator | Jan 2017 |